Asked by Kankles.
1. A RADIO HUT QUALITY INSPECTOR EXAMINES A SAMPLE OF 50 RADIOS AND FINDS THAT 5 ARE DEFECTIVE. WHAT IS THE BEST PREDICTION OF THE NUMBER OF DEFECTIVE RADIOS IN A DELIVERY OF 200 RADIOS? *
195 radios
5 radios
20 radios
50 radios
195 radios
5 radios
20 radios
50 radios
Answers
Answered by
mathhelper
prob(defect) = 5/50 = 1/10
so what is 1/10 of 200 ??
so what is 1/10 of 200 ??
Answered by
Kankles.
20?
Answered by
mathhelper
of course.
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